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How to fix flickering issues with Q70A, Q80A, QN85A and QN90A

You may experience flickering issues when using the Q70A QLED, Q80A QLED, QN85A Neo QLED or QN90A QLED.

You can follow this tutorial to find out how you can fix these screen flicker issues for the 2021 Samsung 4K television sets.

Finding the source of the flickering issues with Q70A, Q80A, QN85A and QN90A

The first step we recommend taking is to determine whether or not the flickering is related to your television set or a device connected to TV.

To do so, you can do the following:

1. Press the Home button on your remote controller.

2. Go to Settings.

3. Go to Support.

4. Go to Device Care.

5. Go to Self Diagnosis Picture Test

If you don’t see any issues with the picture test, then your problems are related to the device connected to the television set.

How to disable Input Signal Plus on Q70A, Q80A, QN85A and QN90A

If you think the flickering issues is related to your HDMI connection, you can try using a different HDMI cable. We recommend using a HDMI 2.1 cable if possible if you want to take full advantage of these 2021 Samsung 4K TVs.

If switching out the HDMI cable does not work, you can try disabling the Input Signal Plus feature. To do so, you need to do the following:

1. Press the Home button on your TV remote.

2. Select Settings in the menu.

3. Select General.

4. Select External Device Manager.

5. Select Input Signal Plus on the HDMI port that is connected to the device that is experiencing flickering issues.

6. Set the Input Signal Plus setting to “Off.”

You can also leave the Input Signal Plus setting to “On” and try changing the settings through the connected devices instead. If the device you are having issues with is a PlayStation 5 or PlayStation 5 Digital Edition, then you can follow the steps in this tutorial.

If you are trying to connect your TV to a computer, make sure that the resolution matches.

How to fix flickering issues on Q70A, Q80A, QN85A and QN90A

If you see flicker issues during the aforementioned Self Diagnosis Picture Test, then the problem is related to your television set.

If you think the screen flickering is related to your Q70A, Q80A, QN85A or QN90A TV, you can try disabling Brightness Optimization, Brightness Reduction, Contrast Enhancer or Motion Lighting.

How to disable Brightness Optimization

To disable Brightness Optimization on your Samsung 2021 QLED or Neo QLED, you need to do the following:

1. Press the Home button on the remote.

2. Head to Settings.

3. Head to General.

4. Head to Power and Energy Saving.

5. Head to Brightness Optimization.

6. Run the Self Diagnosis Picture Test to see if disabling Brightness Optimization eliminated the flickers.

How to disable Brightness Reduction

You can do the following to disable Brightness Reduction:

1. On your TV remote, press the Home button.

2. Pick Settings.

3. Pick General.

4. Pick Power and Energy Saving.

5. Pick Brightness Reduction.

6. Use the Self Diagnosis Picture Test to see if the flickering issues have gone away.

How to disable Contrast Enhancer

In order to disable Contrast Enhancer, you can do the following:

1. Press the Home button from your Samsung remote.

2. Select Settings.

3. Select Picture.

4. Select Expert Settings.

5. Select Contrast Enhancer.

6. Retest your TV using the aforementioned Self Diagnosis Picture Test to see if the screen flicker is still present.

How to disable Motion Lighting

To disable Motion Lighting, you can do the following:

1. Press the Home button on your remote for your Samsung TV.

2. Head to Settings.

3. Head to General.

4. Head to Power and Energy Saving.

5. Head to Motion Lighting.

6. Test your TV via the Self Diagnosis Picture Test to see if this fixes the screen flickering issues.

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